87226820102 has 16 divisors (see below), whose sum is σ = 133377767424. Its totient is φ = 42773997000.

The previous prime is 87226820101. The next prime is 87226820137. The reversal of 87226820102 is 20102862278.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87226820101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1580924 + ... + 1635167.

It is an arithmetic number, because the mean of its divisors is an integer number (8336110464).

Almost surely, 2^87226820102 is an apocalyptic number.

87226820102 is a deficient number, since it is larger than the sum of its proper divisors (46150947322).

87226820102 is a wasteful number, since it uses less digits than its factorization.

87226820102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216355.

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 87226820102 in words is "eighty-seven billion, two hundred twenty-six million, eight hundred twenty thousand, one hundred two".